Add missing starting-f #5417

Job	Run time
Prepare	58s
Dependency	3s
Shellcheck	4s
Ruff check and force	12s
Check commit	45s
Create pytest cache for Python 3.13.0	13s
Create pytest cache for Python 3.12	9s
Run pytest using Python 3.13.0	26s
Run pytest using Python 3.12	17s
Run mypy	23s
Process test coverage	28s
Process test complexity	18s
Build and publish Python 🐍 distributions 📦 to TestPyPI	27s
	4m 43s

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